Cu4 Se8 Cl4

semiconductor
· Cu4 Se8 Cl4

Cu₄Se₈Cl₄ is a mixed-halide copper selenide semiconductor compound combining copper, selenium, and chlorine in a layered structure. This is a research-stage material primarily explored for photovoltaic and optoelectronic applications rather than a mainstream industrial material; it belongs to the family of metal chalcohalides being investigated for next-generation solar cells, photodetectors, and light-emitting devices due to its tunable bandgap and layered crystallographic properties. Engineers consider such compounds as potential alternatives to lead halide perovskites and traditional CdTe/CIGS solar absorbers, offering the possibility of non-toxic, earth-abundant semiconductor devices, though stability and scalability remain active research challenges.

thin-film photovoltaics (research)photodetectorsoptoelectronic devicesnext-generation solar cellslight-emitting applicationssemiconductor research

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Bulk Modulus(K)
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Pa——
Shear Modulus(G)
—
Pa——
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
—
eV——
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Formation Energy(ΔHf)
—
eV/atom——
Verified Unverified Low confidence (<80%) Link to source

Regulatory Screening

Environmental

Export Control

RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.